* {
    margin: 0;
    padding: 0;
}

.fo {
    width: 100%;
    height: 1.28rem;
    border-top: .0267px solid white;
    position: fixed;
    bottom: 0;
    background: #fff;
    display: flex;
    justify-content: space-around;
    flex-direction: row;
    text-align: center;
}

.fo span {
    font-size: .7467rem;
}

a {
    text-decoration: none;
    font-size: .4rem;
    color: #999;
}

.fo .active {
    color: #000;
}